W Cooper Hub w/Standpipe [RS-3020 No Laterals] (3021A) uvgenerators 8 ounce sealant tube in

8 ounce sealant tube in white is designed for sealing and repair work where a quantity pack of 12 is a better fit for regular use

Filter cartridge for compatible applications using FC-2397

This replacement is especially useful when the original charger assembly is missing

An antenna with BNC connection helps support signal communication in a compatible Maytronics Dolphin system

Supports cleaner and more dependable plumbing control

W Cooper Hub w/Standpipe [RS-3020 No Laterals] (3021A) uvgenerators 8 ounce sealant tube inW Cooper Hub w Standpipe [RS 3020 No Laterals] (3021A) is a W. Cooper Industries hub with standpipe for compatible RS 3020 No Laterals filter assemblies. The hub and standpipe help direct water through the filter system and are key internal components in proper filtration performance. This replacement version is listed without laterals, making it useful when the standpipe or hub requires replacement but the matching lateral set is handled separately.